US3591305A - Reamer with replaceable cutting blade - Google Patents

Reamer with replaceable cutting blade Download PDF

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Publication number
US3591305A
US3591305A US814139A US3591305DA US3591305A US 3591305 A US3591305 A US 3591305A US 814139 A US814139 A US 814139A US 3591305D A US3591305D A US 3591305DA US 3591305 A US3591305 A US 3591305A
Authority
US
United States
Prior art keywords
axis
slot
reamer
groove
plane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US814139A
Other languages
English (en)
Inventor
Johann Aichhorn
Erich Rietzler
Dieter Kress
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAPAL DR KRESS KG
Original Assignee
MAPAL DR KRESS KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAPAL DR KRESS KG filed Critical MAPAL DR KRESS KG
Application granted granted Critical
Publication of US3591305A publication Critical patent/US3591305A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D77/00—Reaming tools
    • B23D77/02—Reamers with inserted cutting edges
    • B23D77/04—Reamers with inserted cutting edges with cutting edges adjustable to different diameters along the whole cutting length
    • B23D77/048—Reamers with inserted cutting edges with cutting edges adjustable to different diameters along the whole cutting length by means of conical screw threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D2277/00—Reaming tools
    • B23D2277/20—Number of cutting edges
    • B23D2277/201—One
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D2277/00—Reaming tools
    • B23D2277/46—Guiding pads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1928—Tool adjustable relative to holder
    • Y10T407/193—Radially
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1934—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
    • Y10T407/1938—Wedge clamp element
    • Y10T407/194—Resilient clamp jaw
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/28—Miscellaneous
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/83—Tool-support with means to move Tool relative to tool-support
    • Y10T408/85—Tool-support with means to move Tool relative to tool-support to move radially
    • Y10T408/858—Moving means including wedge, screw or cam
    • Y10T408/8588—Axially slidable moving-means
    • Y10T408/85892—Screw driven wedge or cam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • Y10T408/953—Clamping jaws

Definitions

  • REAMER WITH REPLACEABLE CUTTING BLADE ABSTRACT The cutter head ofa reamer has agroove shaped for receiving a cutting blade which partly separates an integral Claims 9 Drawing Figs jaw portion from the remainder of the cutting head.
  • a clamp- [52] US. Cl 408/161, ing screw permits the jaw portion to be tightened on the 29/105 R, 1 4/2 1 4/ 408/240 cutting blade whose mobility is increased by a slot in a plane [51] Int. Cl 823d 77/00 intersecting the groove at an obtuse angle. Further slots may Field of Search 7 7/58.3, b provided for distributing the pressure'of the jaw portion on 1 29/105 the blade in a desired manner.
  • This invention relates to reamers, and particularly to a reamer equipped with a cutting blade replaceably arranged in a cutter head of the reamer, and more specifically with improvements in the clamping of the blade to the head.
  • a jaw portion is separated from the integral remainder of the cutting head by a groove elongated in the direction of the axis of reamer rotation, and a clamping screw connects the jaw portion to the remainder of the head for clamping the jaw portion against the wide face of the blade which is the leading radial face of the blade during normal reamer operation.
  • the known clamping devices do not adequately fix the positions of all parts of the cutting edge on the blade relative to the axis of rotation of the reamer or relative to any other fixed reference line on the stationary machine structure. If the blade is tightly clamped only near its axially central position, shallow corrugations may be produced in the machined workpiece by oscillation of the relatively loose outer portion of the blade. If the blade is not safely prevented from pivoting in an axial plane, even more serious defects may occur in the workpiece.
  • the primary object of the invention is the provision of a cutter head of the type described in which a replaceable blade is firmly and uniformly fastened over its entire axial length and cannot tilt in an axial plane under the stresses to which it is normally exposed during reamer operation.
  • the cutter head of the invention is provided with a slot which defines a plane offset from the plane defined by the blade receiving groove, both planes extending in the direction of the axis of reamer rotation. A portion of the slot directly communicates with the groove so that the slot further separates the jaw portion from the remainder of the cutter head.
  • the jaw portion When the slot extends away from the groove and has a concavely arcuate bottom wall remote from the groove, the jaw portion is resiliently attached to the remainder of the cutter head by integral bridges so shaped as to cause all axial portions of the jaw face in the blade-receiving groove to move in unison when the central part of the jaw portion is drawn against the blade by one or more clamping screws.
  • FIG. I shows a reamer of the invention in fragmentary side elevation
  • FIGS. 2 and 3 show the reamer of FIG. 1 in radial section on the lines II-II and III-III respectively;
  • FIG. 4 illustrates another reamer of the invention in a view corresponding to that of FIG. 1;
  • FIGS. 5 and 6 are radially sectional views of the reamer of FIG. 4 in section on the lines V-V and Vl-VI respectively;
  • FIG. 7 shows yet another reamer of the invention in fragmentary side elevation
  • FIGS. 8 and 9 show the device of FIG. 7 in respective sections on the lines VIII-VIII and IX-IX.
  • FIGS. l to 3 there is seen only one axially terminal portion of a reamer shank which carries the cutter head I of the reamer.
  • a groove 2 in the head nonnally receives a cutting blade 3 and separates an integral clamping jaw 4 from the remainder of the head I which is a unitary piece of metal and, in the embodiment: of FIGS. I to 3, unitary with the shank 20.
  • the groove 2 is axially elongated and defines a plane which is parallel to the axis of reamer rotation.
  • a narrow slot 5 extends into the solid material of the head I from the groove 2 near the bottom wall of the same in an axial plane offset from the aforementioned plane defined by the groove 2 at an obtuse angle of about It cuts into the material of the head I so as further to separate the jaw 4 from the remainder of the head I.
  • the bottom wall 6 of the slot 5 intersects the plane of the slot in a concave, circular arc as is best seen in FIG. 2.
  • the cutter head I shown in FIGS. I to 3 being relatively slim, the curved bottom wall 6 axially closes the rear end of the slot 5 and almost completely closes the front end of the slot in an axial direction.
  • the jaw 4 is clamped against the blade 3 in the groove 2 by two clamping screws 7 threadedly received in corresponding bores of the jaw 4 and rotatable in smooth bores in the remainder of the head I.
  • the lentil heads of the screws 7 are recessed in conically flaring orifices of the bores and provided with hexagonal recesses for insertion of a conforming key.
  • the screws 7 pass almost at right angles through the plane of the slot 5 near the deepest portion of the slot.
  • Two adjusting screws 8 without heads are axially offset from the screws 7 in opposite directions and are thus located almost entirely in the solid portion of the cutter head.
  • the parallel axes of the two adjusting screws are almost parallel to the plane of the slot 5, and they define a plane parallel to the axis of the reamer rotation which is transverse, though not precisely perpendicular, to the corresponding plane defined by the axes of the screws 7, as is evident from joint consideration of FIGS. 2 and 3.
  • An adjusting wedge 9 is associated with each screw 8 in axial alignment and extends into the groove 2 for holding the blade 3 in a desired position.
  • the wedge 9 is also fixed in position, and the two wedges located near the axial ends of the blade 3 jointly prevent tilting of the blade in the plane defined by the groove 2.
  • Shallow axial grooves in the outer face of the cutter head 1 receive partly projecting guide bars 112.
  • the transverse orientation of the axes of the screws 7, 8 causes the adjusting screws 8 and their associated wedges 9 to be fixedly fastened in the adjusted position when the clamping screws 7 are tightened.
  • the cutter head I is relatively slim, its diameter being less than 50 percent greater than that of the associated shank, the the diameter of the latter being deten'nined by the available, nonillustrated chuck of the machine.
  • the two embodiments of the invention shown in FIGS. 4 to 9 indicate the manner in which the basic features described above may be utilized under such conditions.
  • FIGS. 4 to 6 there is seen a reamer whose cutter head diameter is more than twice that of the associated shank 20.
  • the groove 2 in the head I and the blade 3 held therein are practically identical in their dimensions with the corresponding features seen in FIGS. l to 3, and the bottom of the groove 2 communicates with a slot similar to the corresponding slot in the first-described embodiment.
  • the bridge of solid metal connecting the jaw portion 4' with the remainder of the head 1 could not be flexed in the desired manner by clamping screws 7' without further reduction of its effective cross section.
  • Another slot 13 extends inward of the head 1' from the outer cylindrical surface of the same in a plane which is approximately perpendicular to the plane of the slot 5, and the bottom wall of the slot 13 intersects the plane of the last-mentioned slot in a concave circular are best seen in FIG. 4.
  • the portion of the slot 13 farthest from the head surface directly communicates with that portion of the slot 5 which is near the bottom wall 6' of the latter and farthest from the groove 2.
  • the axially central part of the jaw portion 4 is thus completely severed from the remainder of the head in the radial plane of FIG. 5.
  • the adjusting screws 8' are oriented relative to the screws 7' in a manner more fully discussed above, and differ from the aforedescribed screws 8 in their length only. They back wedges 9' of suitably adjusted dimensions.
  • the cutting head 1 is recessed to provide a relief 10 and grooves for receiving guide bars 12 as described above.
  • the slot 5 is open in an axially forward direction over about three-fourths of its greatest depth to the bottom wall 6.
  • FIGS. 7 to 9 differs from that shown in FIGS. 4 to 6 by a cutter head 1 mounted on a tubular shank by a press fit. Its cutting blade 3 is partly exposed in a relief 10.
  • a slot 5 is provided as described above. lts dimensions are substantially as shown in FIGS. 1 and 3, and the solid bridge between the portions of the head 1" on either side of the blade 3 is radially relatively thin because of a central bore 19 in the cutter head.
  • the efiectiveness of the clamping screws 7' is further enhanced by two radial slots 11 axially adjacent the screws 7 which define therebetween a clamping tongue 4" threadedly engaged by the screws 7.
  • the tongue 41" engages the blade 3 over approximately one-half of its axial length, and the adjusting screws 8 and associated wedges 9 hold the axially terminal blade portions in position.
  • the slots 11 have circularly arcuate bottom walls for the reasons described above.
  • the slots 11 directly communicate with the central bore 19 to provide adequate resiliency to the tongue 4".
  • the reamer shown in FIGS. 7 to 9 is otherwise closely similar to that described with reference to FIGS. 4 to 6, and identical elements have been provided with corresponding reference numerals.
  • a reamer including a shank (20) having an axis of rotation, and a cutter head (l) on an axially terminal portion of said shank, said cutterhead being formed with an elongated groove (2) shaped for receiving a cutting blade (3), said groove defining a first plane extending in the direction of said axis and partly separating an integral jaw portion (4) from the remainder of said head, and clamping means (7) for pressing a face of said jaw portion against a cutting blade received in said groove, the improvement which comprises a slot (5) in said head defining a second plane offset from said first plane and extending in the direction of said axis, a portion of said slot directly communicating with said groove and further separating said jaw portion from said remainder of the head, the axially terminal portion of said slot remote from said shank being substantially closed by a bridge integrally connecting said jaw with said remainder.
  • said head being formed with another slot (13) defining a third plane intersecting said second plane and extending in the direction of said axis, said other slot communicating with said first-mentioned slot within said cutter head and further separating said jaw portion from said remainder of the head.
  • said jaw portion being formed with two additional slots extending in respective axially spaced planes transverse to said axis of rotation from an outer surface of said jaw portion to said groove and to said first-mentioned slot so as partly to separate a clamping tongue axially extending between said two additional slots from axially adjacent parts of said jaw portion.
  • said additional slots having respective bottom walls remote from said outer surface and intersecting the respective axially spaced planes in concave arcs.
  • said clamping means including a clamping screw connecting said jaw portion and said remainder and threadedly engaging one of said jaw portion and of said remainder, said clamping screw having an axis extending in a plane transverse to said axis of rotation, and defining a plane parallel to said axis of rotation; and adjusting screw means (8,9) threadedly received in said head for threaded movement about an axis extending in a plane transverse to said axis of rotation and spaced from said clamping screw in the direction of said axis of rotation, the adjusting screw means extending into said groove for adjusting engagement with a blade received in said groove, the axis of said threaded movement defining a plane parallel to said axis of rotation and transverse to the plane parallel to said axis of rotation defined by the axis of said clamping screw.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Drilling Tools (AREA)
  • Surgical Instruments (AREA)
US814139A 1968-04-10 1969-04-07 Reamer with replaceable cutting blade Expired - Lifetime US3591305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1752151A DE1752151C3 (de) 1968-04-10 1968-04-10 Einmesserreibahle mit auswechselbarem Messer

Publications (1)

Publication Number Publication Date
US3591305A true US3591305A (en) 1971-07-06

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ID=5692653

Family Applications (1)

Application Number Title Priority Date Filing Date
US814139A Expired - Lifetime US3591305A (en) 1968-04-10 1969-04-07 Reamer with replaceable cutting blade

Country Status (5)

Country Link
US (1) US3591305A (fr)
CH (1) CH486946A (fr)
DE (1) DE1752151C3 (fr)
FR (1) FR2005928A1 (fr)
GB (1) GB1217651A (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011025A (en) * 1974-07-16 1977-03-08 Mapal Dr. Kress Kg Expanding reamer
US4102594A (en) * 1975-11-04 1978-07-25 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Floating reamer
US4280542A (en) * 1978-09-08 1981-07-28 Black & Decker Inc. Cutterhead for a portable power planer
US4547102A (en) * 1981-11-27 1985-10-15 Cogsdill Tool Products, Inc. Reamer with angled blade and full length clamp
US4626143A (en) * 1984-06-06 1986-12-02 Sunnen Products Company Spot facer and boring head having replaceable carbide cutters
US4850757A (en) * 1988-12-23 1989-07-25 Gte Valenite Corporation Rotary cutting tool
USRE34054E (en) * 1981-11-27 1992-09-08 Cogsdill Tool Products, Inc. Reamer with angled blade and full length clamp and method of assembly
US5238335A (en) * 1987-06-11 1993-08-24 Toshiba Tungaloy Co., Ltd. Reamer
US5391023A (en) * 1992-12-22 1995-02-21 Basteck; Andreas Machine reamer
US5454667A (en) * 1993-09-30 1995-10-03 Master Tool Corporation Adjustable cartridge for cutting head of a machine tool
US6739807B2 (en) * 2001-11-26 2004-05-25 Valenite Llc Rotatable cutting tool
US20040156688A1 (en) * 2002-02-07 2004-08-12 Dr. Jorg Guhring Clamping and adjustment apparatus for a cutting tool
US20070237592A1 (en) * 2005-06-06 2007-10-11 Takuji Nomura Drill head for deep hole machining
WO2009030454A1 (fr) * 2007-09-04 2009-03-12 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Alésoir
US20100196110A1 (en) * 2007-09-04 2010-08-05 Mapal Fabrik Fur Prazisionwerkzeuge Dr. Kress Kg Reamer
US20100260558A1 (en) * 2007-12-06 2010-10-14 Mapal Fabrik Fur Prazisionswerkzeug4E Dr. Kress Kg Tool for the machining of workpieces
US20110121522A1 (en) * 2002-12-12 2011-05-26 Derosa John L Quick change power tool chuck
US20120070243A1 (en) * 2009-05-29 2012-03-22 Tungaloy Corporation Reamer
WO2022161419A1 (fr) * 2021-01-28 2022-08-04 四川大学华西第四医院 Couteau électrochirurgical à haute fréquence pratique à utiliser

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500620C3 (de) * 1975-01-09 1979-11-08 Mapal Fabrik Fuer Praezisionswerkzeuge Dr. Kress Kg, 7080 Aalen Reibahle mit auswechselbarer Messerplatte
DE2614599C3 (de) * 1976-04-05 1979-08-23 Mapal Fabrik Fuer Praezisionswerkzeuge Dr. Kress Kg, 7080 Aalen Reibahle für die Bearbeitung eng tolerierter Bohrungen
DE2948250A1 (de) * 1979-11-30 1981-07-23 August Beck GmbH & Co, 7472 Winterlingen Reibahle mit einer flachrechteckfoermigen wendeschneidplatte
EP0113097B1 (fr) * 1983-01-03 1989-05-03 Dihart AG Alésoir réglable pour machines
DE3307398C1 (de) * 1983-03-02 1984-06-20 Mapal Fabrik für Präzisionswerkzeuge Dr.Kress KG, 7080 Aalen Reibahle
SE509948C2 (sv) * 1996-04-25 1999-03-29 Seco Tools Ab Ställbar brotsch avsedd för små håldiametrar
DE19855471C2 (de) * 1998-12-01 2003-08-21 Guehring Ohg Werkzeug zur spanabtragenden Feinbearbeitung von Bohrungsoberflächen mit wenigstens einer austauschbaren Schneidplatte

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1364346A (en) * 1919-12-26 1921-01-04 Adams George Reese Boring-tool
US2561470A (en) * 1947-04-04 1951-07-24 Charles G Hadley Rotary cutter head with resilient blade clamping means
US3367007A (en) * 1964-12-01 1968-02-06 Zenford Pty Ltd Cutting tool holder
US3490315A (en) * 1966-07-02 1970-01-20 Francesco Melchiorre Tool for widening and precision finishing through bores and dead bores

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1364346A (en) * 1919-12-26 1921-01-04 Adams George Reese Boring-tool
US2561470A (en) * 1947-04-04 1951-07-24 Charles G Hadley Rotary cutter head with resilient blade clamping means
US3367007A (en) * 1964-12-01 1968-02-06 Zenford Pty Ltd Cutting tool holder
US3490315A (en) * 1966-07-02 1970-01-20 Francesco Melchiorre Tool for widening and precision finishing through bores and dead bores

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011025A (en) * 1974-07-16 1977-03-08 Mapal Dr. Kress Kg Expanding reamer
US4102594A (en) * 1975-11-04 1978-07-25 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Floating reamer
US4280542A (en) * 1978-09-08 1981-07-28 Black & Decker Inc. Cutterhead for a portable power planer
US4547102A (en) * 1981-11-27 1985-10-15 Cogsdill Tool Products, Inc. Reamer with angled blade and full length clamp
USRE34054E (en) * 1981-11-27 1992-09-08 Cogsdill Tool Products, Inc. Reamer with angled blade and full length clamp and method of assembly
US4626143A (en) * 1984-06-06 1986-12-02 Sunnen Products Company Spot facer and boring head having replaceable carbide cutters
US5238335A (en) * 1987-06-11 1993-08-24 Toshiba Tungaloy Co., Ltd. Reamer
US4850757A (en) * 1988-12-23 1989-07-25 Gte Valenite Corporation Rotary cutting tool
US5391023A (en) * 1992-12-22 1995-02-21 Basteck; Andreas Machine reamer
US5454667A (en) * 1993-09-30 1995-10-03 Master Tool Corporation Adjustable cartridge for cutting head of a machine tool
US20040197155A1 (en) * 2001-11-26 2004-10-07 Valenite, Llc Rotatable cutting tool
US6739807B2 (en) * 2001-11-26 2004-05-25 Valenite Llc Rotatable cutting tool
US7131794B2 (en) 2001-11-26 2006-11-07 Valenite Inc. Rotatable cutting tool
US20040156688A1 (en) * 2002-02-07 2004-08-12 Dr. Jorg Guhring Clamping and adjustment apparatus for a cutting tool
US20110121522A1 (en) * 2002-12-12 2011-05-26 Derosa John L Quick change power tool chuck
US7014393B2 (en) * 2003-02-07 2006-03-21 Dr. Joerg Guehring Clamping and adjustment apparatus for a cutting tool
US7645102B2 (en) * 2005-06-06 2010-01-12 Unitac, Inc. Drill head for deep hole machining
US20070237592A1 (en) * 2005-06-06 2007-10-11 Takuji Nomura Drill head for deep hole machining
WO2009030454A1 (fr) * 2007-09-04 2009-03-12 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Alésoir
US20100196110A1 (en) * 2007-09-04 2010-08-05 Mapal Fabrik Fur Prazisionwerkzeuge Dr. Kress Kg Reamer
US20100202843A1 (en) * 2007-09-04 2010-08-12 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Reamer
US20100260558A1 (en) * 2007-12-06 2010-10-14 Mapal Fabrik Fur Prazisionswerkzeug4E Dr. Kress Kg Tool for the machining of workpieces
US8393832B2 (en) 2007-12-06 2013-03-12 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Tool for the machining of workpieces
US20120070243A1 (en) * 2009-05-29 2012-03-22 Tungaloy Corporation Reamer
US8770896B2 (en) * 2009-05-29 2014-07-08 Tungaloy Corporation Reamer
WO2022161419A1 (fr) * 2021-01-28 2022-08-04 四川大学华西第四医院 Couteau électrochirurgical à haute fréquence pratique à utiliser

Also Published As

Publication number Publication date
GB1217651A (en) 1970-12-31
DE1752151C3 (de) 1974-01-10
DE1752151B2 (de) 1973-06-07
FR2005928A1 (fr) 1969-12-19
CH486946A (de) 1970-03-15
DE1752151A1 (de) 1971-05-13

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